of carmageddon appear to be free of traffic jams, for ten miles. one of the busier freeways in los angeles is çóclose. a repeat of what happened last year. there along the 405, how is it looking? >> reporter: well, so far, they are actually saying carmageddon two, to quote one of the fire chiefs is a very good sequel, so thumbs up, so far. and what you're seeing here is really what carmageddon is, the ten-mile stretch here of the freeway. you're talking all of this freeway, an essential artery here in los angeles, completely empty. there are no cars. you know how extraordinary this is. and then if you look up the 405 freeway you will see exactly why the 405 has had to shut down. this is the mulholland bridge, and the northern part of that has to come down. it has to be torn down to make way, at least that section, make way for an extra car pool lane. when the car pool lane is finished for this extra stretch of 405, all the way through, it will be 73 miles of car pool lane, the longest one in the world. but carmageddon, specifically meaning with the shutdown of 405, there is more traffic on all t
